Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

COMPONENTS

INSPECTION

1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR
3. INSPECT ECT SENSOR
Using an ohmmeter, measure the resistance between the terminals.





Resistance: Refer to the graph
- If the resistance is not as specified, replace the ECT sensor.
4. REINSTALL ECT SENSOR
5. REFILL WITH ENGINE COOLANT